<template>
  <div class="person">
    <h2>姓名：{{ name }}</h2>
    <h2>年龄：{{ age }}</h2>
    <h2>地址：{{ address }}</h2>
    <button @click="changeName">修改名字</button>
    <button @click="changeAge">修改年龄</button>
    <button @click="showTel">查看联系方式</button>
  </div>
</template>

<script lang="ts" setup name="Person">
import { ref } from 'vue'
//响应式ref
let name = ref('张三')
let age = ref(18)
let tel = '13888888888'
let address = '北京昌平区宏福苑·宏福科技园'

console.log(1,name)
console.log(2,age)
console.log(3, address)
console.log(4, tel)

// 方法
function changeName() {
  name.value = 'zhang-san' // JS中操作ref对象时候需要.value
  console.log(name.value)
}
function changeAge() {
  age.value += 1
  console.log(age.value) // JS中操作ref对象时候需要.value
}
function showTel() {
  alert(tel)
}
</script>

<style scoped>
.person {
  background-color: skyblue;
  box-shadow: 0 0 10px;
  border-radius: 10px;
  padding: 20px;
}

button {
  margin: 0 5px;
}
</style>